Home / 698,362,004.69-1,047,720,941.36-207,093,220.37

Finding the Fourth Proportional to 698,362,004.69, 1,047,720,941.36 and 207,093,220.37

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Solution

The fourth proportional to 698,362,004.69, 1,047,720,941.36 and 207,093,220.37 is: 310,692,595.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,362,004.69 : 1,047,720,941.36 = 207,093,220.37 : x
  2. Step 2: Convert to fraction form
    698,362,004.69/1,047,720,941.36 = 207,093,220.37/x
  3. Step 3: Cross multiply
    698,362,004.69x = 1,047,720,941.36 × 207,093,220.37
  4. Step 4: Simplify right side
    698,362,004.69x = 216,975,903,795,330,336
  5. Step 5: Solve for x
    x = 216,975,903,795,330,336/698,362,004.69
  6. Step 6: Final answer
    x = 310,692,595.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.